Yaskawa E7B Drive Bypass User Manual

Page 102

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Programming 5 - 8

Options - J or L and P "Serial Communications" and "Pneumatic Pressure Transducer";

Bypass with serial communication for run/stop control and speed monitoring, with pneumatic
input for speed control:

Hand mode speed command from Keypad/Operator.

Auto mode speed command input signal from the pneumatic transducer, or 4-20 mA applied to Drive terminal A2.

Auto mode run/stop command for Drive from serial communication.

Auto mode run/stop contact closure for Bypass applied to terminals TB1-3 and TB1-4.

Options - J or L and S "Serial Communications" and "Speed Pot."; Bypass with serial

communication for control, with hand mode speed potentiometer:

Hand mode speed command from speed potentiometer.

Auto mode speed command input signal from serial communication.

Auto mode run/stop command for Drive from serial communication.

Auto mode run/stop contact closure for Bypass applied to terminals TB1-3 and TB1-4.

Significant

Parameter Setting

Drive Operational Result

b1-01 = 0: Operator

Speed command source = Keypad/Operator (d1-01)

H3-08 = 2: 4-20 mA (default)

Terminal A2 is programmed for 4-20 mA (Transducer output is 4-20 mA)
(Note – Control PCB DIP switch S1-2 must also be ON)

H3-09 = 2: Aux Reference (default)

Terminal A2 function is set to be a speed command input. This setting
also gives terminal A2 priority over d1-02 for “preset speed 2”, see
Programming Manual.

H1-02 = 3: Multi-Step Ref 1
S4 must be jumpered to SN

A terminal S4 input contact closure selects A2 as “preset speed 2” speed
input. The S4 input is jumpered to SN, therefore it is always closed.

H1-03 = 6C: Com/Inv Sel 2

A terminal S5 input contact closure allows b1-01 to select d1-01 (keypad)
as a preset speed. An open contact selects serial com for the run/stop
command (the serial com speed command is overridden by the preset
speed above). This input contact is closed when H/O/A = Hand.

H1-04 = 4: Multi-Step Ref 2 (default)
S6 must be jumpered to S5

A terminal S6 input contact closure selects d1-04 (keypad) as a speed
input. When open, the speed command is determined by “preset speed 2”.
This input contact is closed when H/O/A = Hand.

H5-08 = 0: Modbus, 1: N2 or 2: FLN

Drive communicates via protocol selected

Significant

Parameter Setting

Drive Operational Result

b1-01 = 1: Terminals (default)

Speed command source = Terminals

H3-13 = 0: Main Fref TA1 (default)

Specific speed command source = Terminal A1

H1-03 = 6C: Com/Inv Sel 2

A terminal S5 input contact closure allows b1-01 to select terminals and
the speed pot. as the speed command. An open contact selects serial com
for speed command and run/stop. This input contact is closed when H/O/A
= Hand.

H5-08 = 0: Modbus, 1: N2 or 2: FLN

Drive communicates via protocol selected

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